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Published byBarnard Flowers
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The Solar System
Sun accounts for 99.85% of the mass of our solar system
Everything Else accounts for only 0.15% of the mass of our solar system
The 4 inner planets – terrestrial – are small and rocky They include Mercury, Venus, Earth, and Mars
The outer planets – jovian – are huge gas giants They include Jupiter, Saturn, Uranus, and Neptune
Terrestrial vs. Jovian Smaller Higher Density Slower Rotation Larger Lower Density Faster Rotation
Terrestrial vs. Jovian Consist mostly of rocks and metallic substances Thin atmospheres No/few moons Consist mostly of gases and ices Thick atmospheres Many Moons
Pluto doesn’t fit neatly into either category
Formation of the Solar System Nebular theory – The sun and planets formed from a rotating disk of dust and gassesNebular theory Brainpop
Planetesimals The small, irregular shaped body formed by colliding matter They continue to grow until they have enough mass to exert a gravitational pull on other objects
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1. L ist the 9 planets in our solar system. Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto (dwarf planet)
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